Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001130464-26-000064
Filing Date
2026-05-04
Accepted
2026-05-04 16:25:41
Documents
2
Period of Report
2026-05-01

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT primary_01.html 4  
1 PRIMARY DOCUMENT primary_01.xml 4 3146
2 EX-24 DOCUMENT waleskipoa2025.txt EX-24 1416
  Complete submission text file 0001130464-26-000064.txt   6084
Mailing Address 7001 MT RUSHMORE RD PO BOX 1400 RAPID SD 57709
Business Address 7001 MT RUSHMORE RD PO BOX 1400 RAPID CITY SD 57709 6057212343
BLACK HILLS CORP /SD/ (Issuer) CIK: 0001130464 (see all company filings)

EIN.: 460458824 | State of Incorp.: SD | Fiscal Year End: 1231
SIC: 4911 Electric Services
(CF Office: 01 Energy & Transportation)

Mailing Address 1508 WEST AVENUE RICHMOND VA 23220
Business Address
Waleski Anne G (Reporting) CIK: 0001492023 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-31303 | Film No.: 26938072